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How many files simultaneously open ? [message #5067] Wed, 27 September 1995 00:00 Go to next message
hahn is currently offline  hahn
Messages: 108
Registered: November 1993
Senior Member
Hi,

when I try to open more than 19 files in IDL 4.0 for Windows I get an
error message, saying "Error Opening File ..." (or the like). When
I close any previously opened file I can successfully retry with
the command .continue

From time to time I manage to re-open the manually closed files
some IDL statements later.

Is there a limit on how many files I can have open at one time?
Is this a MS Windows limit?

Norbert Hahn
University at Darmstadt
Germany
Re: How many files simultaneously open ? [message #5114 is a reply to message #5067] Mon, 09 October 1995 00:00 Go to previous message
Mary Ruth Keller is currently offline  Mary Ruth Keller
Messages: 3
Registered: October 1995
Junior Member
Norbert,

Your limit of 19 simultaneously open files is NOT an MS Windows limit. In
fact, when I have been running IDL under other OS's, I have run up against a
13 file limit. I suggest you look carefully at your code to see how to
restructure it so you use fewer files. Make sure if you open files inside a
for loop, you also close them inside the loop, etc.

Best of luck,

Mary Ruth Keller

P.S. How much physical and virtual memory are available on your machine?
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